Lafayette LM-1 - Mini Luxmeter

Lafayette LM-1
MINI LUX METER

Features:

• Easy to use, pocket-sized and lightweight.
• Displays light intensity value accurately in both Footcandles (Fc) and Lux, covering a very wide measurement range.
• Measures from 0 to 40000 Lux/Fc in four ranges
• Resolution 0.1Lux/Fc.
• Automatic range setting.
• Maximum value hold.
• Backlit LCD sensitive to light.
• Automatic shut-off function.

Technical specifications:

• 3½-digit LCD display: displays up to 1999 and indicates Lux/Fc light intensity, low battery, and max value.
• Over range: "OL" indication
• Low battery indication: The battery icon is displayed to indicate that the charge is falling below the optimal operating value.
• Sampling rate: 2.5 times per second, nominal.
• Storage temperature: -10°C to 60°C (14°F – 140°F) with relative humidity <80%.
• Operating temperature and humidity: 0°C to 40°C (32°F – 104°F) and relative humidity 0% to 80%.
• Auto power off: The device automatically switches off after approximately 15 minutes of inactivity.
• Power supply: standard 9V battery.
• Dimensions: 157x54x34 mm
• Weight: 170 g.

Light:

• Measurement range: 200, 2000, 20000, 40000 Lux/Fc (1Fc=10.76 Lux)
• Accuracy: ± 5% rdg ± 10dgts (<10000 Lux/Fc)
• Accuracy: ± 10% rdg ± 10dgts (>10000 Lux/Fc) (20000 x10 range reading, 40000 x100 range reading)
  
• Overexposure indication: "OL" is displayed (calibrated to a standard incandescent lamp with color temperature 2856 k)
• Repeatability: ± 2%
• Temperature: ±0.1% /°C
• Light sensor: silicon photodiode with filter